HTC EVO charger emits high pitch noise when phone is fully chargered???

wakeboardr360

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Jun 11, 2010
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When i put my fully charged HTC EVO on the HTC charger it came with, the charger emits a high pitch obnoxious sound similar to those ringtones that can't be heard by some people.

I've put my phone on a blackberry USB charger and there was no ringing.....anyone else have this problem or is this just me???
 

2CupsWithString

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Jun 1, 2010
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Happens on my laptop actually. I actually use a blackberry charger the majority of the time and haven't noticed anything, If I remember I will check tomorrow morning.
 

IAmSixNine

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Jun 1, 2010
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I have heard the same thing on a Motorola charger i use at the office. Consequently, i have heard that same high pitched whine noise on another device, but same charger.
 

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